Frederick Stephens is the Emeritus Professor of Surgery and Surgical Oncology and the former head of the Dept of Surgery at the University of Sydney, and Consultant Surgeon Emeritus of Surgery and Surgical Oncology at the Royal Prince Alfred Hospital and Sydney Hospital. Richard Fox is former Professor of Medical Oncology at the University of Melbourne and Director of the Dept of Clinical Haematology at the Royal Melbourne Hospital. He is also Vice President of the Cancer Council of Victoria.